- Let's Talk with Each Other!: Psychology of Successful Conversation
- How We Talk to Each Other - The Messages We Send With Our Words and Body Language: Psychology of Human Communication
- Schwierige Menschen Am Arbeitsplatz: Handlungsstrategien Fur Den Umgang Mit Herausfordernden Personlichkeiten
- Difficult People at Work: Action Strategies for Dealing with Challenging Personalities
- Tell Me, Where Are We Going and How Do We Get There?: What Matters When Facilitating Groups








